Article describes the work of a blind computer scientist at Google:
He uses a Lab as a guide dog and his Lab has its own wesite (see link on page 2)
Puff [YF, AKC field line (from competing HT/FT breeder) 62 lbs, dob: 8-'01]
Bess [BF, AKC bench line (from competing show breeder) 55 lbs., 1967-1981] "Poor Bess, the Wonder Dog":
Clever man and lucky dog !
we saw on our local news that a service dog (think it was a GSD) dialed 911 when his person passed out.
The 911 operator kept asking if anyone was there and needed help and the dog kept whining and crying.
Police were dispatched and the man's life was saved.